6533442609 has 4 divisors (see below), whose sum is σ = 8711256816. Its totient is φ = 4355628404.

The previous prime is 6533442569. The next prime is 6533442611. The reversal of 6533442609 is 9062443356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6533442609 - 2¹³ = 6533434417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6533442689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088907099 + ... + 1088907104.

It is an arithmetic number, because the mean of its divisors is an integer number (2177814204).

Almost surely, 2^6533442609 is an apocalyptic number.

It is an amenable number.

6533442609 is a deficient number, since it is larger than the sum of its proper divisors (2177814207).

6533442609 is a wasteful number, since it uses less digits than its factorization.

6533442609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177814206.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 6533442609 is about 80829.7136516022. The cubic root of 6533442609 is about 1869.4507436803.

The spelling of 6533442609 in words is "six billion, five hundred thirty-three million, four hundred forty-two thousand, six hundred nine".